Population Pyramids

Question 1

What are the 3 age categories of a population pyramid

Answer 1

Older adults (+65)
Working adults
Children (-15)

Question 2

Define dependency load

Answer 2

The percent 0-15 and over 65 (not part of labour force) are the dependency load because they are dependent on others for support

Example a country like Mexico with a high number of children has a high dependency load

Question 3

How to make a population pyramid (6)

Answer 3

• 2 colours m/f
• five year range labeled
• specific title (year and location)
• label males(left)/ females(right)
• base scale (% it population value in millions
• use ruler and colour nearly

Question 4

Why are population pyramids important?

Answer 4

Population is fastly rising which can cause problems like pollution, water, resource problems. Using equation can track the future populations using pyramids

Question 5

What are the 3 types of population pyramids

Answer 5

Expansive, constrictive and stationary population pyramids

Question 6

Define expansive population pyramids

Answer 6

Shows larger # or % of the population in the younger age groups l, usually with each age group larger in size or proportion then the one before it. Population growth is rapid

Question 7

Define constrictive population pyramid

Answer 7

Displays a lower # or % of younger people. Population growth is negative

Question 8

define stationary population pyramid

Answer 8

Displays somewhat equal # or % for almost all age groups (of course smaller in older age groups) population growth is neural or stable